Doctor profile · Federal record

Dr. Kathleen Kowalski, ARNP

Adult Health Nurse Practitioner (CMS: Nurse Practitioner) · Acute Care Nurse Practitioner · Primary Care Nurse Practitioner · Seattle, WA

  • NPI 1356615306
  • Accepts Medicare
  • MIPS 87.0 / 100 · 2023
  • 15 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
325 9Th Ave
Seattle, WA 981042420
(206) 520-5000
fax (206) 744-7860

Credentials & registration

NPPES · NUCC
NPI registered
March 2012 — 14 yrs on file
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
363LA2200X — NUCC code
State license (1)
Washington #AP60237020

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356615306. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
119
Distinct HCPCS
3
Medicare allowed
$11,036
HCPCS Description Services Patients Avg allowed
49083 Drainage of fluid from abdominal cavity using imaging guidance 67 14 $96
32555 Aspiration of fluid from chest cavity using imaging guidance 38 20 $97
10005 Fine needle aspiration biopsy using ultrasound guidance, first growth 14 12 $67

In context: peer comparison

Among 43 peers in Seattle Adult Health Nurse Practitioner, average services per provider: 62. This provider delivers 1.9× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kathleen Kowalski's medical specialty?
Dr. Kathleen Kowalski practices Adult Health Nurse Practitioner in Seattle, WA.
Where does Dr. Kathleen Kowalski practice?
Dr. Kathleen Kowalski practices at 325 9Th Ave, Seattle, WA 981042420. Office phone: 2065205000.
What is Dr. Kathleen Kowalski's NPI?
Dr. Kathleen Kowalski's National Provider Identifier (NPI) is 1356615306, issued by NPPES.
Does Dr. Kathleen Kowalski accept Medicare assignment?
Yes. Dr. Kathleen Kowalski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kathleen Kowalski commonly perform?
Top Medicare-reported procedures in 2023: Drainage of fluid from abdominal cavity using imaging guidance (HCPCS 49083); Aspiration of fluid from chest cavity using imaging guidance (HCPCS 32555); Fine needle aspiration biopsy using ultrasound guidance, first growth (HCPCS 10005). Source: CMS Medicare Physician & Other Practitioners file.